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Suzuki Yuji,Kawashima Shingo,Makino Hiroshi,Doi Matsuyuki,Nakajima Yoshiki 대한마취통증의학회 2023 Korean Journal of Anesthesiology Vol.76 No.2
Background: Remimazolam is a novel ultrashort-acting benzodiazepine that has recently become available for general anesthesia. However, the incidence of postoperative nausea and vomiting (PONV) associated with remimazolam remains unknown. In this propensity score-matched, retrospective, observational study, we compared the rates of PONV between remimazolam and propofol.Methods: In this retrospective observational study, propensity score-matching was performed to minimize selection bias. Patients who received total intravenous anesthesia with remimazolam or propofol at the Hamamatsu University Hospital between August 2020 and July 2021 were enrolled in the study. Data on patient demographics, anesthetic agents, and PONV within the first 24 h were collected and analyzed.Results: Of the 1,239 patients who met the study selection criteria, 585 received remimazolam and 684 received propofol. After propensity score matching, 333 matched pairs were further analyzed. Patient demographics and the anesthetic agents used were comparable between the matched cohorts. The incidence of PONV was significantly higher in the remimazolam group than in the propofol group (35% vs. 21%, P < 0.001).Conclusions: The incidence of PONV is higher with remimazolam anesthesia than with propofol anesthesia. The findings of this study require confirmation in larger prospective randomized controlled trials.
Twice Stretched Fabrication of Polylactic Acid Microneedle Arrays Using Drawing Lithography
Shingo Terashima,Chikako Tatsukawa,Masato Suzuki,Tomokazu Takahashi,Seiji Aoyagi 한국정밀공학회 2020 International Journal of Precision Engineering and Vol.21 No.10
A biodegradable poly-lactic acid (PLA) microneedle array composed of needles with a maximum length of 3 mm and an aspect ratio of up to approximately 18 was fabricated by drawing lithography. In the proposed fabrication method, the melted polymer is stretched twice. The approximate length is set in the first stretch, and the tip is sharpened in the second stretch. In the first stretch, by changing the thickness of the PLA sheet, PLA pillars with various lengths are fabricated. By defining the initial length of the needle, it is possible to set a wide range of aspect ratios and lengths. In the second stretch, it is possible to control the final aspect ratio and length of the needle, as well as the shape of its tip by changing the temperature and stretch speed of the PLA pillars. Finally, it was confirmed that the needle can pierce the surface of artificial skin and porcine skin.
Sarcopenic Dysphagia and Simplified Rehabilitation Nutrition Care Process: An Update
Kakehi Shingo,Isono Eri,Wakabayashi Hidetaka,Shioya Moeka,Ninomiya Junki,Aoyama Yohei,Murai Ryoko,Sato Yuka,Takemura Ryohei,Mori Amami,Masumura Kei,Suzuki Bunta 대한재활의학회 2023 Annals of Rehabilitation Medicine Vol.47 No.5
Sarcopenic dysphagia is characterized by weakness of swallowing-related muscles associated with whole-body sarcopenia. As the number of patients with sarcopenia increases with the aging of the world, the number of patients with sarcopenic dysphagia is also increasing. The prevalence of sarcopenic dysphagia is high in the institutionalized older people and in patients hospitalized for pneumonia with dysphagia in acute care hospitals. Prevention, early detection and intervention of sarcopenic dysphagia with rehabilitation nutrition are essential. The diagnosis of sarcopenic dysphagia is based on skeletal and swallowing muscle strength and muscle mass. A reliable and validated diagnostic algorithm for sarcopenic dysphagia is used. Sarcopenic dysphagia is associated with malnutrition, which leads to mortality and Activities of Daily Living (ADL) decline. The rehabilitation nutrition approach improves swallowing function, nutrition status, and ADL. A combination of aggressive nutrition therapy to improve nutrition status, dysphagia rehabilitation, physical therapy, and other interventions can be effective for sarcopenic dysphagia. The rehabilitation nutrition care process is used to assess and problem solve the patient’s pathology, sarcopenia, and nutrition status. The simplified rehabilitation nutrition care process consists of a nutrition cycle and a rehabilitation cycle, each with five steps: assessment, diagnosis, goal setting, intervention, and monitoring. Nutrition professionals and teams implement the nutrition cycle. Rehabilitation professionals and teams implement the rehabilitation cycle. Both cycles should be done simultaneously. The nutrition diagnosis of undernutrition, overnutrition/obesity, sarcopenia, and goal setting of rehabilitation and body weight are implemented collaboratively.
Rehabilitation Nutrition and Exercise Therapy for Sarcopenia
Kakehi Shingo,Wakabayashi Hidetaka,Inuma Hayato,Inose Tomomi,Shioya Moeka,Aoyama Yohei,Hara Taiki,Uchimura Kosuke,Tomita Kazusa,Okamoto Mizuki,Yoshida Masato,Yokota Shohei,Suzuki Hayato 대한남성과학회 2022 The World Journal of Men's Health Vol.40 No.1
Sarcopenia is an age-related loss of skeletal muscle associated with adverse outcomes such as falls, fractures, disability, and increased mortality in older people and hospitalized patients. About half of older male nursing home residents have sarcopenia. The diagnostic criteria by the European Working Group on Sarcopenia in Older People (EWGSOP) and the Asian Working Group for Sarcopenia (AWGS) have led to increased interest in sarcopenia. Exercise and nutritional management are crucial for the prevention and treatment of sarcopenia. Nutritional therapy for sarcopenia that includes 20 g of whey protein and 800 IU of vitamin D twice a day improves lower limb strength. Exercise therapy for sarcopenia, such as resistance training and 6 months of home exercises, improves muscle strength and physical function. Combination therapy that includes both nutritional and exercise therapy improves gait speed and knee extension strength more than either exercise alone or nutrition therapy alone. Excessive bedrest and mismanagement of nutrition in medical facilities can lead to iatrogenic sarcopenia. Iatrogenic sarcopenia is sarcopenia caused by the activities of health care workers in health care facilities. Appropriate nutritional management and exercise programs through rehabilitation nutrition are important for prevention and treatment of iatrogenic sarcopenia. Nutritional and exercise therapy should be started very early after admission and adjusted to the level of inflammation and disease status. Repeated assessment, diagnosis, goal setting, interventions, and monitoring using the rehabilitation nutrition care process is important to maximize treatment effectiveness and improve patients’ functional recovery and quality of life.
S-CODE: A Subdivision Based Coding System for CAD Models
Takarada, Yosuke,Takeuchi, Shingo,Kawano, Isao,Hotta, Jun,Suzuki, Hiromasa Society for Computational Design and Engineering 2003 International Journal of CAD/CAM Vol.3 No.1
A large scale polygon models are often used to approximately represent 3D CAD models in Digital Engineering environment such as DMU (Digital Mockups) and network based collaborative design. However, they are not suitable for distribution on the network and for interactive rendering. We introduce a new coding system based on subdivision schemes called S-CODE system. In this system, it is possible to highly compress the model with sufficient accuracy and to view the model efficiently in a level of detail (LOD) fashion. The method is based on subdivision surface fitting by which a subdivision surface and curves which approximate a face of a CAD model are generated. We also apply a subdivision method to analytic surfaces such as conical and cylindrical surfaces. A prototype system is developed and used for evaluation with reasonably complicated data. The results show that the method is useful as a CAD data coding system.
Two-Degree-of-Freedom Control of a Stacker Crane
Minoru Sasaki,Toshimi Shimizu,Kengo Suzuki,Shingo Naito,Satoshi Ito 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
This paper presents a motion control of a stacker crane applying a two-degree-of-freedom control. The two-degree-of-freedom control system consists of a feed forward controller based on an inverse system and a feed backcontroller with suppressing the vibration effectively and stabilizing. Feedback control of the motion of the stacker crane is derived by considering the time rate of change of the total energy of the system. This approach has the advantage overthe conventional methods in the respect that it allows one to deal directly with the system’s partial differential equations without resorting to approximations. The paper concludes by presenting some numerical results and experimental results for a special case using a proposed control system. These results show that the two-degree-of-freedom control system can realize faster and precise tracking control of the flexible stacker crane system.
Spin-wave eigenmodes in single disk-shaped FeB nanomagnet
Cho, Jaehun,Miwa, Shinji,Yakushiji, Kay,Tamaru, Shingo,Kubota, Hitoshi,Fukushima, Akio,Fujimoto, Satoshi,Tamura, Eiiti,You, Chun-Yeol,Yuasa, Shinji,Suzuki, Yoshishige American Physical Society 2016 Physical Review B Vol.94 No.18
<P>Spin-wave eigenmodes in a disk-shaped FeB nanomagnet were investigated using magnetic tunnel junctions with a FeB magnetic layer and MgO barrier. Noise spectrum measurements for a perpendicularly magnetized junction of 120 nm in diameter showed thermal excitation of distinct spin-wave modes. The measured spectra were compared with analytical calculations and numerical simulations. As a result, the observed modes were classified as spin-wave eigenmodes with various nodal circles and nodal diameter modes by taking into account splitting between directional spin-wave modes originating from dynamic dipolar interaction instead of Dzyaloshinskii-Moriya interaction. These results provide a fundamental understanding of spin dynamics in nanosize spintronic devices.</P>